The 10K Sterling Silver Tarma Charm is matched with our petite 2mm Sterling chain for an elegant look you can wear everyday! Charm is 12 mm in diameter (just under 1/2 inch) and 1 mm thick. Charm and chain are .925 Sterling. Chain is 18 inches long with a secure sliding lobster clasp closure. Click on image above for a view of the complete necklace and clasp. Cast in the US.